Home / 191,257.37-286,882.80-66,595.13

Finding the Fourth Proportional to 191,257.37, 286,882.80 and 66,595.13

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Solution

The fourth proportional to 191,257.37, 286,882.80 and 66,595.13 is: 99,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,257.37 : 286,882.80 = 66,595.13 : x
  2. Step 2: Convert to fraction form
    191,257.37/286,882.80 = 66,595.13/x
  3. Step 3: Cross multiply
    191,257.37x = 286,882.80 × 66,595.13
  4. Step 4: Simplify right side
    191,257.37x = 19,104,995,926.35
  5. Step 5: Solve for x
    x = 19,104,995,926.35/191,257.37
  6. Step 6: Final answer
    x = 99,891.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.